#include <stdio.h>
#include <string.h>
int main() 
{
    int i,j;
    char s1[200], s2[200];
    fgets(s1, 200, stdin);
    j = 0;
    for (i=0; i<strlen(s1); ++i) 
    {
        if (s1[i] == 'a' || s1[i] == 'e' || s1[i] == 'i' || s1[i] == 'o' || s1[i] == 'u') 
        {
            s2[j] = s1[i];
            j = j + 1;
        }
    }
    s2[j] = 0;
    printf("%s", s2);
    return 0;
}
